The OBD code P0272 indicates a cylinder 4 injector circuit low.
This affects the fuel injector for cylinder 4. Symptoms include the engine light being on, engine misfire, rough running engine, and decreased fuel efficiency.
Causes can be a dirty/faulty/plugged injector, open/shorted harness, or poor electrical connection.
It’s a moderate issue.
To fix, inspect injector 4 and its connections for damage or corrosion.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
I know how frustrating it is to see that warning light pop up again and again. You don’t need to spend money at the mechanic just to clear it. With this pocket-friendly automatic car scanner, you can do it yourself in seconds and and avoid the time and inconvenience of driving to a mechanic. Just plug it in, connect to your Android or iOS phone, and instantly see live data. Understand the fault code, clear it right away, and decide if it’s something urgent or if you’re good to drive. It even monitors your car and sends notifications to your phone, so you’re always in control. Simple, fast, and stress-free—today’s offer price!
Symptoms of the p0272 OBD Code
The vehicle may experience rough idling, misfires, or lack of power with fault code P0272.
- When OBD code P0272 occurs, symptoms may include: Engine Light ON.
- Engine Misfire.
- Engine Run Rough.
- Low MPG.
Causes of the p0272 OBD Code
Do you know you can clear most fault codes—but some could mean serious danger? Don’t take chances with your safety or your family’s safety. This budget-friendly car scanner makes it easy to clear fault codes in seconds while showing you exactly what’s wrong. Plug it in, connect to your Android or iOS phone, and instantly check live data. You’ll know if it’s a minor issue you can clear or something serious that needs attention—so you can drive safely and stress-free. (Today’s Deal)
Possible reasons for fault code P0272 include injector circuit issues or injector performance problems.
- P0272 can be caused by a Dirty Fuel Injector 4.
- A Faulty Fuel Injector 4.
- A Plugged Fuel Injector 4.
- A Fuel Injector #4 harness that is open or shorted.
- A Fuel Injector #4 circuit with a poor electrical connection.
Fixing Error Code p0272 Step By Step
Address the issue by inspecting and potentially replacing the fuel injector associated with code P0272.
- To fix OBDII code P0272, first, review the possible causes related to cylinder 4 injector circuit low.
- Visually inspect the wiring harness and connectors specific to the cylinder 4 injector.
- Check for any damaged components and ensure the connector pins are not broken, bent, pushed out, or corroded.
- Test the continuity of the wiring from the PCM to the injector.
- If the wiring checks out, consider replacing the injector for cylinder 4.
- Clear the fault code using a scan tool and test drive the vehicle to verify the repair.
Cost Of Fixing p0272 Fault Code
Diagnosing and repairing fault code P0272 may involve testing and replacing a faulty fuel injector.
The cost to diagnose and fix OBD code P0272 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, so the general cost could be between $75 and $150. Actual cost may vary based on shop rates and the complexity of the repair.
Details of the p0272 OBD Code
Fault code P0272 indicates a cylinder 4 injector circuit low.
OBD code P0272 means that a low voltage condition has been detected in cylinder 4 injector circuit.
This code is triggered by the Engine Control Module (ECM) when it detects a voltage lower than specified in the injector circuit for cylinder 4. The ECM monitors the injector circuits to ensure proper fuel delivery to each cylinder for efficient combustion.
Mechanic’s Tech Notes
Code P0272 indicates a cylinder 4 contribution/balance fault, typically caused by injector issues or wiring problems.
To diagnose and fix OBDII code P0272, which indicates a cylinder 4 injector circuit low, start by visually inspecting the wiring harness and connectors related to the injector.
Look for any damage or corrosion.
Use a multimeter to check the injector’s resistance and ensure it falls within specifications.
Test the injector’s power and ground with the multimeter as well.
A scan tool can help monitor injector pulse width and voltage signals while the engine is running.
If all wiring and components check out, the issue may lie with the injector itself, requiring replacement.
FAQ
Common symptoms of OBD code P0272 include Engine Light ON, Engine Misfire, Rough Running Engine, Low MPG. Causes may include issues with Fuel Injector 4. Fix: Inspect and address related components.
The typical cause of OBD code P0272 is a fault with Fuel Injector #4, such as being dirty, faulty, or having a poor electrical connection.
Diagnose and repair OBD code P0272 by checking Fuel Injector #4 for issues like dirt, faults, or wiring problems. Inspect harness and connectors for damage or corrosion.
Wrap Up
If your vehicle displays OBDII code p0272, you may experience rough idling, decreased engine performance, or even stalling.
This code typically indicates a cylinder 4 injector circuit low.
Causes could include a faulty fuel injector, wiring issues, or a poor connection.
To address OBDII code p0272, start by inspecting the wiring harness and connector at the cylinder 4 fuel injector.
Test the injector for proper resistance and operation.
Replace the injector if necessary and ensure all connections are secure.
